[INFO] cloning repository https://github.com/maikeru/rcat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maikeru/rcat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaikeru%2Frcat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaikeru%2Frcat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 38623968435e7b171e20345a32c640372b6c2190
[INFO] testing maikeru/rcat against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaikeru%2Frcat" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/maikeru/rcat on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/maikeru/rcat
[INFO] finished tweaking git repo https://github.com/maikeru/rcat
[INFO] tweaked toml for git repo https://github.com/maikeru/rcat written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/maikeru/rcat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f734b61b42223e4266ad8276d2e8e781712b0f57108aa21cc38eb758aaf42504
[INFO] running `Command { std: "docker" "start" "-a" "f734b61b42223e4266ad8276d2e8e781712b0f57108aa21cc38eb758aaf42504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f734b61b42223e4266ad8276d2e8e781712b0f57108aa21cc38eb758aaf42504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f734b61b42223e4266ad8276d2e8e781712b0f57108aa21cc38eb758aaf42504", kill_on_drop: false }`
[INFO] [stdout] f734b61b42223e4266ad8276d2e8e781712b0f57108aa21cc38eb758aaf42504
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6893236fa4399ef11e71a496377daf2feb9e36cf850f3ba9d2a58653d1b11a6a
[INFO] running `Command { std: "docker" "start" "-a" "6893236fa4399ef11e71a496377daf2feb9e36cf850f3ba9d2a58653d1b11a6a", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:14:76
[INFO] [stdout]    |
[INFO] [stdout] 14 |         Err(why) => panic!("Failed to open {} with error {}", display, why.description()),
[INFO] [stdout]    |                                                                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:20:85
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Err(why) => panic!("Couldn't read from file {} with error {}", display, why.description()),
[INFO] [stdout]    |                                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.31s
[INFO] running `Command { std: "docker" "inspect" "6893236fa4399ef11e71a496377daf2feb9e36cf850f3ba9d2a58653d1b11a6a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6893236fa4399ef11e71a496377daf2feb9e36cf850f3ba9d2a58653d1b11a6a", kill_on_drop: false }`
[INFO] [stdout] 6893236fa4399ef11e71a496377daf2feb9e36cf850f3ba9d2a58653d1b11a6a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 56c236864283dd55e744ae96c51bc9700f7ee5e97dc59554007614380c33af20
[INFO] running `Command { std: "docker" "start" "-a" "56c236864283dd55e744ae96c51bc9700f7ee5e97dc59554007614380c33af20", kill_on_drop: false }`
[INFO] [stderr]    Compiling rcat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:14:76
[INFO] [stdout]    |
[INFO] [stdout] 14 |         Err(why) => panic!("Failed to open {} with error {}", display, why.description()),
[INFO] [stdout]    |                                                                            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/main.rs:20:85
[INFO] [stdout]    |
[INFO] [stdout] 20 |         Err(why) => panic!("Couldn't read from file {} with error {}", display, why.description()),
[INFO] [stdout]    |                                                                                     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.79s
[INFO] running `Command { std: "docker" "inspect" "56c236864283dd55e744ae96c51bc9700f7ee5e97dc59554007614380c33af20", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56c236864283dd55e744ae96c51bc9700f7ee5e97dc59554007614380c33af20", kill_on_drop: false }`
[INFO] [stdout] 56c236864283dd55e744ae96c51bc9700f7ee5e97dc59554007614380c33af20
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 3d9e5a6cb78c79aebfe490f8c7bd5512acbe33d340b763ca0c7e1609071fe4aa
[INFO] running `Command { std: "docker" "start" "-a" "3d9e5a6cb78c79aebfe490f8c7bd5512acbe33d340b763ca0c7e1609071fe4aa", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:14:76
[INFO] [stderr]    |
[INFO] [stderr] 14 |         Err(why) => panic!("Failed to open {} with error {}", display, why.description()),
[INFO] [stderr]    |                                                                            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stderr]   --> src/main.rs:20:85
[INFO] [stderr]    |
[INFO] [stderr] 20 |         Err(why) => panic!("Couldn't read from file {} with error {}", display, why.description()),
[INFO] [stderr]    |                                                                                     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `rcat` (bin "rcat" test) generated 2 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/rcat-12a225b97f050a80)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "3d9e5a6cb78c79aebfe490f8c7bd5512acbe33d340b763ca0c7e1609071fe4aa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d9e5a6cb78c79aebfe490f8c7bd5512acbe33d340b763ca0c7e1609071fe4aa", kill_on_drop: false }`
[INFO] [stdout] 3d9e5a6cb78c79aebfe490f8c7bd5512acbe33d340b763ca0c7e1609071fe4aa